South East is a major UK business region with 447,747 active companies spread across 50 locations. The leading industry is management consultancy activities other than financial management with 41,284 firms. The average company age is 9.7 years. Top business centres include MILTON KEYNES (25,335) and READING (23,946).
There are 447,747 active companies registered in South East, out of 500,897 total (including 53,150 dissolved).
The top business locations in South East are: MILTON KEYNES (25,335), READING (23,946), SOUTHAMPTON (23,069), BRIGHTON (17,054), SLOUGH (16,883).
The leading industries in South East by active company count are: Management consultancy activities other than financial management (41,284), Other letting and operating of own or leased real estate (39,684), Buying and selling of own real estate (37,556).
Search, filter, and analyse 447,747 companies in South East with AI-powered risk intelligence.
Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. Last updated: 2026-04-05.